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- Log -----------------------------------------------------------------
commit 092bd56ab8e25c4b436dc4c08db0f4e11c8dbb0a
Author: Jon Jensen <jon at endpoint.com>
Date: Sun Aug 23 17:27:22 2009 -0600
Add strip_html filter, which removes HTML tags
Having a tag such as this has been discussed a few times on interchange-users
over the years. This fits the basic requirements of those discussions, and
starts with the basics. We can add options as needed later.
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Summary of changes and diff:
code/Filter/strip_html.filter | 31 +++++++++++++++++++++++++++++++
1 files changed, 31 insertions(+), 0 deletions(-)
create mode 100644 code/Filter/strip_html.filter
diff --git a/code/Filter/strip_html.filter b/code/Filter/strip_html.filter
new file mode 100644
index 0000000..7e14e88
--- /dev/null
+++ b/code/Filter/strip_html.filter
@@ -0,0 +1,31 @@
+# Copyright 2009 Interchange Development Group and others
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version. See the LICENSE file for details.
+
+CodeDef strip_html Filter
+CodeDef strip_html Description Strip HTML
+CodeDef strip_html Routine <<EOR
+sub {
+ my $val = shift;
+
+ # replace these container tags with a space
+ $val =~ s{</?(?:p|ol|ul|li|div|h[123456]|pre|dl|dd|dt|form|option|textarea|blockquote)(?:\s[^>]*)?>}{ }ig;
+
+ # replace these self-closing tags with a space
+ $val =~ s{<[bh]r(?:\s*/|\s[^>]*)?>}{ }ig;
+
+ # remove all remaining tags and leave no space
+ $val =~ s{</?\w[^>]*>}{}g;
+
+ # collapse all whitespace, as HTML does when rendering anyway,
+ # to facilitate truncating at a certain number of characters
+ $val =~ s{\A\s+}{};
+ $val =~ s{\s+\z}{};
+ $val =~ s{\s+}{ }g;
+
+ return $val;
+}
+EOR
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